MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a
SHA3-384 hash: 80b8eb83f9e5b3f4760251db5c709718176d09c650f132c02891d779107f6200d536b2e6c086df5d881bdafe8a890ec4
SHA1 hash: 28415d55523270b6520e44b620c7a4e397e8b016
MD5 hash: 3fffc8084361b069f0a653790910b351
humanhash: lima-nebraska-south-virginia
File name:zersh4
Download: download sample
Signature Mirai
Create hunting rule
File size:45'944 bytes
First seen:2025-12-14 17:33:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:gXa0wtq43tlHeVUj0cmmRvqrAtYINiUwv8ljUaCwoRHAYZCXVn:ka0wtqucy0ivGEYfktUawRgYZCXVn
TLSH T147238D72C47EADA4C44856B4E4309E791F63F100D2671EFB6A49C4768083EACF609BBD
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/693ef511cf690d27f3df3f24/reports/77e122ca-1a56-43f8-b6c4-e00236c6d011/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-14T16:34:00Z UTC
Last seen:
2025-12-14T16:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/15d72f35-27bc-4ade-bac4-a4874986e42c
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1832600
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832600 Sample: zersh4.elf Startdate: 14/12/2025 Architecture: LINUX Score: 48 14 165.232.127.233, 39691, 48502 ALLEGHENYHEALTHNETWORKUS United States 2->14 16 slursontel.ru 2->16 18 Multi AV Scanner detection for submitted file 2->18 8 zersh4.elf 2->8         started        signatures3 process4 process5 10 zersh4.elf 8->10         started        process6 12 zersh4.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-14 17:34:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 23 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=amijuzy2rj2xemkdcbikkmok7o7r6lovc6gaoc52goxquj6amfna._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251214-v5gytsay9e/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/347052e3-81ba-4b11-a933-2c7940a4f036
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 03109a671a8a757231431050a531cafbbf1f2dd5178c070bba33af0a27c0615a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726512/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726586/

Comments